Do Punch Bags Build Muscle?

When you picture a boxer, they’re incredibly muscular, right? Regardless of weight category, experienced boxers seem to have big muscles that are very toned.

So how do they achieve this shape? Can it just be the punching bags? The answer may surprise you.

Do Punch Bags Build Muscle?

Despite most people who use punching bags showing a great deal of muscular strength, punching bags do not build muscle or help with muscle growth – but they don’t contribute to muscle loss either. Punching bags are great cardio, so they can strengthen your muscles with repeated use, but the act of punching, or kicking, a punching bag doesn’t provide the full range of motion with force that your body requires to build muscle.

Activities such as lifting weights build muscle as there is a large amount of force on your muscles, which extend and retract in a full movement. Punching a punch bag provides enough resistance to replicate sparring with a partner, but the range of motion used is not sufficient to increase muscle growth. If you want to build muscle, more weight-bearing exercises are key.

How Do Boxers Build Muscle?

Boxers do use punching bags but for technique more than building muscle. To build muscle, boxers will lift a lot of weights as well as do a number of callisthenic, bodyweight, exercises. These include push-ups, pull-ups, squats and crunches, each of which exercises a different group of muscles, and when done in high volume will increase muscle mass.

To build muscle, or achieve hypertrophy, it’s also important to do some bodyweight exercises close to failure, meaning to do as many as physically possible, without keeping any reps in reserve. This fully activates all of the targeted muscle fibres, which the body will then build back stronger. Too much, however, can increase fatigue and risk of injury.

Does a Punching Bag Burn Fat?

While a punching bag does not build muscle, it does burn fat, as it’s an excellent full-body workout. By engaging your whole body in a physical activity that raises your heart rate, you’re burning calories, which will reduce your body’s fat reserves. However, you do have to be in calorie deficit to lose weight or fat, which means you have to burn more calories through exercise than you take in when you’re eating.

Therefore, punching a punch bag can tone your muscles, by reducing body fat so that the muscles show more clearly. This is also true for your abdominal muscles, as the rotation and force used in punching the bag will help strengthen your core, and reduce body fat so you can get ripped with a punching bag and show off that six-pack.

If you’re just looking to get more active, then punching a punch bag will increase your endurance and help tone your muscles in a fun way. But, of course, this should also be combined with a healthy diet, to remain healthy and exercise safely. Another crucial way of staying safe while punching a punch bag is by ensuring it’s installed correctly.

Have a read of our article to learn how to install punch bag brackets.

What Muscles Does a Punching Bag Work On?

With the right technique punching a punch bag is a full body workout so it engages most of the body’s muscles, including:

• Biceps
• Trapezius
• Pectorals
• Latissimus dorsi
• Abdominals
• Glutes
• Quads
• Calves

Arms, shoulders, chest, core and back are the main focus as they are most engaged when punching, however for a proper technique, you should be using the power from your legs as well. If you’re kickboxing, you can also strengthen your leg muscles by kicking the punch bag.

What are the Benefits of a Punching Bag?

Using a punching bag has many different benefits for your body and mind. Some exercises involve punching slowly and steadily to focus on technique, and others involve rounds of intense punching for 15 seconds that work on using your power, or orbiting the punch bag to practise footwork.

How your punching bag benefits you depends on how you use it, but here are a few of the many ways using a punching bag is beneficial to your health.

Cardiovascular Exercise

As punching a punch bag is a great way of engaging your whole body in physical activity, it makes for an excellent cardio workout. To make your workout more intense, you can always include 5-10 minutes on the punching bag in your HIIT or circuit training, which will raise your heart rate and help you burn fat.

Boxing with a punch bag is also a great way to lose weight because it’s fun. You can train alone or with a partner, and get out all the negative energy you’ve amassed that day while knowing you’re putting your body under pressure and getting fitter.

What’s more, you can consider boxing is better than running in terms of cardiovascular exercise as it isn’t a weight-bearing or high-impact activity. Running, of course, has many benefits, but it can be hard on your knees, particularly at a certain age, so boxing makes for an excellent physical activity, especially for older adults.

Increase Endurance

Punching a punch bag may not build muscle, but it does strengthen the muscle that you have, so regular use of a punch bag (daily or weekly), will easily increase your endurance. If you’re just starting, 5 minutes is plenty of time to get your heart racing and tire yourself out. Gradually, you can increase this time; experienced boxers or those who do regular punching bag workouts will easily have sessions of 20-30 minutes.

Improve Technique

One of the main reasons for using a punching bag is to improve your boxing technique. Shadowboxing can be an excellent starting point, however, a punching bag allows you to practise shots with resistance as if you were sparring with a partner. You can try your jabs, hooks and uppercuts, steadily increasing your power until you have the perfect technique and are ready to step into the ring.

A punching bag will undoubtedly make you a better fighter as great technique takes a lot of practice: keep practising your shots and watch the muscle memory take over.

Improve Balance, Agility and Coordination

Your core is at the heart of everything you do, so strengthening it is key to a healthy life and good technique when exercising or practising sports.

By its very nature, a punching bag moves as you strike it, forcing you to move around it as you continue throwing punches. This is an excellent way of improving balance and coordination as you shift your weight and practise your footwork and boxing combinations. Strengthening your core and improving balance is also a vital part of exercise for older adults as it can reduce the risk of falls as well as physical, and mental, health problems.

Practise with Power

When training with a sparring partner, you might hold back for fear of hurting them, and when shadow boxing you can’t throw punches with your full strength as there’s no resistance. That’s why punching bags are a great intermediary. You can hit a punch bag as hard as you can to work on that knock-out punch, without hurting anybody, and get a feel for your strength.

However, it’s important to have the right equipment when training: is your punching bag too big or too small? Or perhaps it’s too heavy?

We’ve written an article to help you decide what are the best punchbags and boxing gloves for you.

Improve Mental Health

Exercise is great for mental health as it relieves stress, boosts hormones that make us feel good, allows us to overcome challenges and fully oxygenates the body. Punching a punch bag will give you all of these benefits, and further reduce negative energy due to the symbolism of punching.

In the modern world, there are many different causes of stress, so finding healthy and fun methods of relaxing and exercising is integral to keeping a healthy mind. Medical experts already recommend exercising for 150 minutes a week, spread over each day, so why not enjoy it and use a punch bag?

It’s not just the working population who needs to relieve stress either; punching a punch bag can be greatly beneficial to children’s mental and physical health too – find out why here. But, it should be noted that children should not use adult punch bags as it can be dangerous. Read about the best punch bags for children here.

Look for the Best Punching Bag

As the UK’s top supplier of boxing equipment since 2000, Sports Maxx are on hand and ready to get you geared up. Shop for punching bags here, or boxing gloves here.